Home / 8,425,087,491.40-12,637,631,237.10-4,292,602,275.40

Finding the Fourth Proportional to 8,425,087,491.40, 12,637,631,237.10 and 4,292,602,275.40

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Solution

The fourth proportional to 8,425,087,491.40, 12,637,631,237.10 and 4,292,602,275.40 is: 6,438,903,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425,087,491.40 : 12,637,631,237.10 = 4,292,602,275.40 : x
  2. Step 2: Convert to fraction form
    8,425,087,491.40/12,637,631,237.10 = 4,292,602,275.40/x
  3. Step 3: Cross multiply
    8,425,087,491.40x = 12,637,631,237.10 × 4,292,602,275.40
  4. Step 4: Simplify right side
    8,425,087,491.40x = 54,248,324,604,041,576,448
  5. Step 5: Solve for x
    x = 54,248,324,604,041,576,448/8,425,087,491.40
  6. Step 6: Final answer
    x = 6,438,903,413.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.